Connected: An Internet Encyclopedia
RFC 1850 - 3.3. OSPF Area Default Metrics

Top: Connected: An Internet Encyclopedia
Up: Requests For Comments
Up: RFC 1850
Up: 3. Definitions
Prev: 3.2. OSPF Area Table
Next: 3.4. OSPF Link State Database

### 3.3. OSPF Area Default Metrics

    --  OSPF Area Default Metric Table

    --      The OSPF Area Default Metric Table describes the metrics
    --      that a default Area Border Router will advertise into a
    --      Stub area.

        ospfStubAreaTable OBJECT-TYPE
            SYNTAX   SEQUENCE OF OspfStubAreaEntry
            MAX-ACCESS   not-accessible
            STATUS   current
            DESCRIPTION
               "The set of metrics that will be advertised  by
               a default Area Border Router into a stub area."
           REFERENCE
              "OSPF Version 2, Appendix C.2, Area Parameters"
          ::= { ospf 3 }

        ospfStubAreaEntry OBJECT-TYPE
            SYNTAX   OspfStubAreaEntry
            MAX-ACCESS   not-accessible
            STATUS   current
            DESCRIPTION
               "The metric for a given Type  of  Service  that
               will  be  advertised  by  a default Area Border
               Router into a stub area."
           REFERENCE
              "OSPF Version 2, Appendix C.2, Area Parameters"
          INDEX { ospfStubAreaId, ospfStubTOS }
          ::= { ospfStubAreaTable 1 }

    OspfStubAreaEntry ::=
        SEQUENCE {
            ospfStubAreaId
                AreaID,
            ospfStubTOS
                TOSType,
            ospfStubMetric
                BigMetric,
            ospfStubStatus
                RowStatus,
            ospfStubMetricType
                INTEGER
                  }

        ospfStubAreaId OBJECT-TYPE
            SYNTAX   AreaID
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "The 32 bit identifier for the Stub  Area.   On
               creation,  this  can  be  derived  from the in-
               stance."
           ::= { ospfStubAreaEntry 1 }

        ospfStubTOS OBJECT-TYPE
            SYNTAX   TOSType
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "The  Type  of  Service  associated  with   the
               metric.   On creation, this can be derived from
               the instance."
           ::= { ospfStubAreaEntry 2 }

        ospfStubMetric OBJECT-TYPE
            SYNTAX   BigMetric
            MAX-ACCESS   read-create
            STATUS   current
            DESCRIPTION
               "The metric value applied at the indicated type
               of  service.  By default, this equals the least
               metric at the type of service among the  inter-
               faces to other areas."
           ::= { ospfStubAreaEntry 3 }

        ospfStubStatus OBJECT-TYPE
            SYNTAX   RowStatus
            MAX-ACCESS   read-create
            STATUS   current
            DESCRIPTION
               "This variable displays the status of  the  en-
               try.  Setting it to 'invalid' has the effect of
               rendering it inoperative.  The internal  effect
               (row removal) is implementation dependent."
           ::= { ospfStubAreaEntry 4 }

        ospfStubMetricType OBJECT-TYPE
            SYNTAX   INTEGER    {
                        ospfMetric (1),                -- OSPF Metric
                        comparableCost (2),        -- external type 1
                        nonComparable  (3)        -- external type 2
                      }
            MAX-ACCESS   read-create
            STATUS   current
            DESCRIPTION
               "This variable displays the type of metric  ad-
               vertised as a default route."
           DEFVAL   { ospfMetric }
           ::= { ospfStubAreaEntry 5 }

Next: 3.4. OSPF Link State Database

Connected: An Internet Encyclopedia
RFC 1850 - 3.3. OSPF Area Default Metrics